M. Das, B. Kumbhakar, and J. Singh. 2022. “Analysis of Unsteady MHD Williamson Nanofluid Flow past a Stretching Sheet With Nonlinear Mixed Convection, Thermal Radiation and Velocity Slips”. Journal of Computational Analysis and Applications (JoCAAA) 30 (1):176-95. http://eudoxuspress.com/index.php/pub/article/view/112.